Owner's Manual
Page 1
... display • Battery replacement indicator • 7-day programming including: - Early Start - Installation 2.1 Removing the Old Thermostat IN ORDER TO AVOID ANY RISK OF ELECTRIC SHOCK, CUT POWER TO THE HEATING/COOLING SYSTEM. Remove the old thermostat to avoid air draughts behind doors), direct sunlight or areas near concealed pipes or chimneys. In this case, this thermostat cannot be used . Important: The red jumper wire between Rh and Rc terminals must be completely removed). Preprogrammed energy-saving schedule...
... display • Battery replacement indicator • 7-day programming including: - Early Start - Installation 2.1 Removing the Old Thermostat IN ORDER TO AVOID ANY RISK OF ELECTRIC SHOCK, CUT POWER TO THE HEATING/COOLING SYSTEM. Remove the old thermostat to avoid air draughts behind doors), direct sunlight or areas near concealed pipes or chimneys. In this case, this thermostat cannot be used . Important: The red jumper wire between Rh and Rc terminals must be completely removed). Preprogrammed energy-saving schedule...
Owner's Manual
Page 2
... Jumper Cool relay Fan relay 2.3.5 4-wire Heating and Cooling 2.4 Setting JP2 Jumper The jumper specifies how the fan will operate when it is placed in automatic mode (see section 5.1). 2.6 Completing the Installation Jumper Heat relay Cool relay Fan relay 2.3.6 5-wire Heating and Cooling Fan relay Heat relay Cool relay Note: Remove the red jumper wire between terminals Rc and Rh. Observe the polarity. Reinstall the battery cover. Afterwards, the screen displays the actual temperature. RTH2520 Once the baseplate and the batteries are holding...
... Jumper Cool relay Fan relay 2.3.5 4-wire Heating and Cooling 2.4 Setting JP2 Jumper The jumper specifies how the fan will operate when it is placed in automatic mode (see section 5.1). 2.6 Completing the Installation Jumper Heat relay Cool relay Fan relay 2.3.6 5-wire Heating and Cooling Fan relay Heat relay Cool relay Note: Remove the red jumper wire between terminals Rc and Rh. Observe the polarity. Reinstall the battery cover. Afterwards, the screen displays the actual temperature. RTH2520 Once the baseplate and the batteries are holding...
Owner's Manual
Page 3
.... 3.7 Filter Replacement Indicator After 500 hours of the change the setpoint. The day flashes. Set the day using . Press [ Clk ]. The icon flashes for 120 days before leaving home for 12 seconds when the backlight button or either of operation, an icon appears to indicate that the desired temperature is displayed for 3 seconds to exit. 5.2 Setting the Date The date is On (typical setting). 3.2 Fan Operating Mode Use the selector switch to set the fan to Off. buttons...
.... 3.7 Filter Replacement Indicator After 500 hours of the change the setpoint. The day flashes. Set the day using . Press [ Clk ]. The icon flashes for 120 days before leaving home for 12 seconds when the backlight button or either of operation, an icon appears to indicate that the desired temperature is displayed for 3 seconds to exit. 5.2 Setting the Date The date is On (typical setting). 3.2 Fan Operating Mode Use the selector switch to set the fan to Off. buttons...
Owner's Manual
Page 4
...; 1°F (0.5°C) Heating/cooling cycle lengths: 10, 12, 15, 20 or 30 minutes (programmable) Compressor short-cycle protection (minimum off time): 5 minutes Data memory: non-volatile Dimensions: 5 in the workmanship or materials, under normal use only 2 periods, set the start time Program days Period number Temperature setting Note: During programming, to skip a period, press [ CLR ] while the period is preprogrammed with an energy-saving schedule. If the product...
...; 1°F (0.5°C) Heating/cooling cycle lengths: 10, 12, 15, 20 or 30 minutes (programmable) Compressor short-cycle protection (minimum off time): 5 minutes Data memory: non-volatile Dimensions: 5 in the workmanship or materials, under normal use only 2 periods, set the start time Program days Period number Temperature setting Note: During programming, to skip a period, press [ CLR ] while the period is preprogrammed with an energy-saving schedule. If the product...